Position control system

Details Position control system Position control system

1997-08-21

2000-01-25

Grant, William

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Digital positioning

700 56, 700 57, 700 58, 700 64, 318560, G05B 1919, G05B 1918, G05B 1946, G05B 19423

Patent

active

060186852

ABSTRACT:
A position control system, capable of correcting the positional deviation between mechanically related control axes. The position control system comprises a structural body having a Y-shaft supported by a fixed member so that two end portions can move in a vertical direction and a main shaft provided in this shaft so that it can move in a horizontal direction, servo motors for driving the two end portions, a servo motor for driving the main shaft, and a control device for performing the servo control of the servo motors. The control device adjusts the positions of the two end portions of the Y-shaft in accordance with the position of the main shaft with respect to the Y-shaft at the position control to correct the positional deviation from the target position of the main shaft in the vertical direction.

REFERENCES:
patent: 3666123 (1972-05-01), Tornheim
patent: 4696707 (1987-09-01), Lewis et al.
patent: 5117348 (1992-05-01), Romero et al.
patent: 5153490 (1992-10-01), Ueta et al.
patent: 5164896 (1992-11-01), Nagayasu
patent: 5194790 (1993-03-01), Niimi
patent: 5371450 (1994-12-01), Hiraoka

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